<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>test</title>
</head>
<body>

This is the test.html.

<!--&lt;!&ndash;/*&ndash;&gt;-->
<!--<div>我是div2</div>-->
<!--&lt;!&ndash;*/&ndash;&gt;-->

<!--/*/
<div>我是div3</div>
/*/-->

This is the test.html.

</body>
</html>